added a single-byte uart interface
diff --git a/bbb_cape/src/cape/uart.c b/bbb_cape/src/cape/uart.c
index 45fa744..63620ab 100644
--- a/bbb_cape/src/cape/uart.c
+++ b/bbb_cape/src/cape/uart.c
@@ -43,8 +43,7 @@
   }
 }
 
-void uart_configure(int baud) {
-  uart_common_configure(baud);
+void uart_configure(void) {
   NVIC_SetPriority(USART1_IRQn, 3);
   NVIC_EnableIRQ(USART1_IRQn);
 }